猪殃殃(Galium aparine)是世界性恶性杂草,广泛分布于欧、美、亚州温带地区,主要危害麦类作物。我国主要分布于长江及黄河中下游地区。近几年来在我省蔓延发展较快,已成为麦田两大主要害草之一。据估计,以猪殃殃为主的阔叶杂草达到防治指标的麦田约800万亩左右,若不加防除,每年造成支类损失估计有4亿斤。 Galium aparine is a worldwide malignant weed that is widely distributed in temperate regions of Europe, the United States and Asia, and mainly harms the wheat crops. China is mainly located in the middle and lower reaches of the Yangtze River and the Yellow River. In recent years, the spread of rapid development in our province, has become one of the two main harm grass in wheat fields. It is estimated that broad-leaved weeds dominated by Galium apatum reach about 800 million mu of wheat fields with control indices. Without any prevention and control measures, an estimated 400 million jin of pests will be lost each year.